/*
 * Copyright (c) 2011, Nikolaus Moll
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the gradecalculator.net nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.gradecalculator.plugin.core.factory.impl;

import java.util.LinkedList;
import java.util.List;

import net.gradecalculator.core.interfaces.IRegulationsItem;

public abstract class AbstractCoreRegulationsItem implements IRegulationsItem {
	private String name;
	private IRegulationsItem parent = null;
	private final List<IRegulationsItem> children = new LinkedList<IRegulationsItem>();

	@Override
	public String getName() {
		return name;
	}

	@Override
	public void setName(final String name) {
		this.name = name;
	}

	@Override
	public IRegulationsItem getParent() {
		return parent;
	}

	@Override
	public void setParent(final IRegulationsItem parent) {
		this.parent = parent;
	}

	@Override
	public List<IRegulationsItem> getChildren() {
		return children;
	}

	@Override
	public IRegulationsItem getChildByName(final String name) {
		for (final IRegulationsItem child : children) {
			if (child.getName().equals(name)) {
				return child;
			}
		}
		return null;
	}

	@Override
	public void setChildren(final List<IRegulationsItem> children) {
		while (!this.children.isEmpty()) {
			removeChild(this.children.get(0));
		}
		for (final IRegulationsItem item : children) {
			addChild(item);
		}
	}

	@Override
	public void addChild(final IRegulationsItem item) {
		if (!isAddable(item)) {
			throw new IllegalStateException(item.getClass() + " cannot be added to " + this.getClass());
		}

		if (children.contains(item)) {
			return;
		}

		children.add(item);
		item.setParent(this);
	}

	@Override
	public void removeChild(final IRegulationsItem item) {
		children.remove(item);
		item.setParent(null);
	}

	@Override
	public void insertChild(final IRegulationsItem item, final IRegulationsItem before) {
		if (children.contains(item)) {
			return;
		}

		final int index = children.indexOf(before);
		children.add(index, item);
		item.setParent(this);
	}

	@Override
	public boolean isAddable(final IRegulationsItem item) {
		return false;
	}

	@Override
	public String toString() {
		return getName() + "[" + this.getClass() + "]";
	}

}
